Method and apparatus for reducing the residual injection fluid i

Details Method and apparatus for reducing the residual injection fluid i Method and apparatus for reducing the residual injection fluid i

1990-12-18

1991-09-17

Miller, Carl Stuart

Internal-combustion engines

Charge forming device

Fuel injection system

123502, 123198DB, F02M 4100

Patent

active

050484885

ABSTRACT:
A method and apparatus reduces the amount of residual injection fluid within an injection pump. When an associated internal combustion engine is shut off, a stop valve in the injection pump is closed and an injection timing mechanism is shifted into an early position after a predetermined waiting time has expired. The length of the waiting time is selected in order to enable the injection fluid already supplied to the pump at the instant that the stop valve is closed, to enter the interior of the pump while the injection timing mechanism is in an existing working position.

REFERENCES:
patent: 4262645 (1981-04-01), Kobayashi
patent: 4354474 (1982-10-01), Kobayashi
patent: 4458648 (1984-07-01), Braun
patent: 4462361 (1984-07-01), Karle
patent: 4470397 (1984-09-01), Brotherston
patent: 4470763 (1984-09-01), Yasuhara
patent: 4520780 (1985-06-01), Ito
patent: 4541392 (1985-09-01), Ogino
patent: 4565170 (1986-01-01), Grieshaber et al.
patent: 4597369 (1986-07-01), Yasuhara
patent: 4969442 (1990-11-01), Tave

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